Machine Learning Algorithms & Natural Language Processing

Sep 30, 2026 · Artificial Intelligence

How AI Finds Evidence in Hundred-Page Documents: Multimodal Retrieval Heads in Long-Context VLMs

Researchers identify multimodal retrieval heads in long-context vision-language models that locate relevant evidence across text and images, showing causal impact on QA performance and enabling training-free document retrieval with state-of-the-art results on MMDocIR.